354354455542123 has 16 divisors (see below), whose sum is σ = 375855236634240. Its totient is φ = 333138772512000.

The previous prime is 354354455542121. The next prime is 354354455542201. The reversal of 354354455542123 is 321245554453453.

It is a cyclic number.

It is not a de Polignac number, because 354354455542123 - 2¹ = 354354455542121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (354354455542121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 329771323 + ... + 330844123.

It is an arithmetic number, because the mean of its divisors is an integer number (23490952289640).

Almost surely, 2^{354354455542123} is an apocalyptic number.

354354455542123 is a deficient number, since it is larger than the sum of its proper divisors (21500781092117).

354354455542123 is a wasteful number, since it uses less digits than its factorization.

354354455542123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1205658.

The product of its digits is 86400000, while the sum is 55.

The spelling of 354354455542123 in words is "three hundred fifty-four trillion, three hundred fifty-four billion, four hundred fifty-five million, five hundred forty-two thousand, one hundred twenty-three".